US10427567B2 - Air channel foam pad with thermally conductive tape - Google Patents
Air channel foam pad with thermally conductive tape Download PDFInfo
- Publication number
- US10427567B2 US10427567B2 US15/890,655 US201815890655A US10427567B2 US 10427567 B2 US10427567 B2 US 10427567B2 US 201815890655 A US201815890655 A US 201815890655A US 10427567 B2 US10427567 B2 US 10427567B2
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- US
- United States
- Prior art keywords
- foam pad
- air
- thermoelectric device
- ventilating
- pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
- B60N2/5642—Heating or ventilating devices characterised by convection by air with circulation of air through a layer inside the seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
- B60N2/5657—Heating or ventilating devices characterised by convection by air blown towards the seat surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5678—Heating or ventilating devices characterised by electrical systems
- B60N2/5685—Resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/62—Thigh-rests
Definitions
- the present disclosure generally relates to a foam pad with a temperature control feature, and more particularly to a molded air channel foam pad with a thermally conductive tape.
- a vehicle seat cushion assembly includes a first foam pad defining a ventilating column disclosed therethrough, a topper pad disposed over the first foam pad, and a second foam pad disposed adjacent the first foam pad.
- the second foam pad and the first foam pad define a flow channel in fluid communication with the ventilating column.
- a thermally conductive tape including a thermoelectric device is disposed between the first foam pad and the topper pad. The thermoelectric device is disposed near an end of the ventilating column. An air mover moves air from an air intake of the flow channel to an air exhaust of the flow channel.
- aspects of the first aspect of the disclosure can include any one or a combination of the following features:
- a seating assembly includes a seat.
- the seat includes first and second foam pads, a gallery disposed between the first and second foam pads, a ventilating column disposed through the first and second foam pads, a thermoelectric device disposed in a housing in a recess in the ventilating column, and an air mover moving air through the gallery, and along a second surface of the thermoelectric device.
- aspects of the second aspect of the disclosure can include any one or a combination of the following features:
- a method of making a cushion assembly comprises the steps of forming a first foam pad, forming a plurality of ventilating air columns through the first foam pad, forming a second foam pad, and forming the plurality of ventilating air columns through the second foam pad.
- the method of making a cushion assembly further comprises the step of operably coupling the second foam pad with the first foam pad to define flow channels between the first foam pad and the second foam pad. The flow channels are in fluid communication with the ventilating air columns.
- the method of making a cushion assembly further comprises the steps of placing thermoelectric devices proximate a first surface of the first foam pad and at least a portion of the plurality of ventilating air columns and coupling an air mover to the flow channels to move air to the thermoelectric devices.
- aspects of the third aspect of the disclosure can include any one or a combination of the following features:
- FIG. 1 is a side perspective view of a seating assembly in a vehicle of an aspect of the present disclosure
- FIG. 2 is a side perspective view of the seating assembly of FIG. 1 of an aspect of the present disclosure
- FIG. 3 is an exploded side perspective view of the seating assembly of FIG. 1 of an aspect of the present disclosure
- FIG. 4 is a top plan view of a portion of the thermally conductive tape shown on the seating assembly of FIG. 1 of an aspect of the present disclosure
- FIG. 5 is a cross sectional view of a portion of the seat of the seating assembly of FIG. 2 taken along line V-V of an aspect of the present disclosure
- FIG. 6 is an exploded view of a portion of the thermally conductive tape shown on the seating assembly of FIG. 2 of an aspect of the present disclosure
- FIG. 7 is an electricity/heat schematic showing heat traveling from the upper surface of the thermoelectric device to the lower surface of the thermoelectric device of an aspect of the present disclosure
- FIG. 8 is an electricity/heat schematic showing heat traveling from the lower surface of the thermoelectric device to the upper surface of the thermoelectric device of an aspect of the present disclosure
- FIG. 9 is a top plan view of an upper foam pad of the seat cushion assembly of FIG. 3 with a plurality of venting columns according to an aspect of the present disclosure
- FIG. 10 is a bottom plan view of the upper foam pad of the seat cushion assembly of FIG. 9 with a plurality of ventilating columns and gallery portions, according to an aspect of the present disclosure
- FIG. 11 is a top plan view of a lower foam pad of a seat of the seat cushion assembly of FIG. 3 with a plurality of ventilating columns and gallery portions, according to an aspect of the present disclosure
- FIG. 12 is a bottom plan view of the lower foam pad of the seat cushion assembly of FIG. 11 with a plurality of ventilating columns and gallery portions, according to an aspect of the present disclosure
- FIG. 13 is a front elevational view of a front foam pad of the seatback cushion assembly of FIG. 3 with a plurality of ventilating columns, according to an aspect of the present disclosure
- FIG. 14 is a rear elevational view of the front foam pad of the seatback cushion assembly of FIG. 13 with a plurality of ventilating columns and gallery portions, according to an aspect of the present disclosure
- FIG. 15 is a front elevational view of a rear foam pad of a seatback cushion assembly of FIG. 3 with ventilating columns and gallery portions according to an aspect of the present disclosure
- FIG. 16 is a rear elevational view of the rear foam pad of the seatback cushion assembly of FIG. 15 with ventilating columns according to an aspect of the present disclosure
- FIG. 17 is a cross sectional view of a portion of the seat of the seating assembly of FIG. 2 taken along line XVII-XVII of an aspect of the present disclosure.
- FIG. 18 is a flow diagram of a method for making a cushion assembly according to an aspect of the present disclosure.
- the terms “upper,” “lower,” “right,” “left,” “rear,” “front,” “vertical,” “horizontal,” and derivatives thereof shall relate to the disclosure as oriented in FIG. 1 .
- the disclosure may assume various alternative orientations, except where expressly specified to the contrary.
- the specific devices and processes illustrated in the attached drawings, and described in the following specification are simply exemplary aspects of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the aspects disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise.
- relational terms such as first and second, top and bottom, and the like, are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any actual such relationship or order between such entities or actions.
- the terms “comprises,” “comprising,” or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
- An element preceded by “comprises . . . a” does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
- thermoelectric devices arranged along the length of the tape. Adding flow channels and ventilating columns to the EPP pad is desirable to deliver air to the thermoelectric devices to increase the efficiency of the thermoelectric devices and to avoid over-heating of the thermoelectric devices.
- providing flow channels and ventilating columns in a traditional one piece EPP pad can result in failures of cushion assemblies.
- the seat cushion assembly 10 , the seatback cushion assembly 12 , and the thermally conductive tapes 14 are shown inside the vehicle cabin 16 .
- the thermally conductive tapes 14 are typically disposed at the seat surface 20 and the seatback surface 22 below the seat trim 24 and the seatback trim 26 .
- the thermally conductive tapes 14 cool or heat the occupant 30 .
- ventilating columns 40 are disposed within the seat cushion assembly 10 and the seatback cushion assembly 12 to deliver air to the thermally conductive tapes 14 to increase the efficiency of the cooling and the heating of the thermoelectric devices 90 .
- Flow channels 42 connect the ventilating columns 40 and deliver air to the ventilating columns 40 .
- An air mover 44 supplies air to the flow channels 42 .
- sensors monitor the temperature of the occupant 30 and adjust the temperature of the seat surface 20 and the seatback surface 22 in response to the temperature of the occupant.
- An infrared sensor 46 may be located in the visor 48 or other portion of the passenger cabin, and may be directed to measure the temperature of the face 50 of the occupant 30 .
- an infrared sensor 46 may be located in the headliner 52 and may also be directed to measure the temperature of the face 50 of the occupant 30 or another body part of the occupant 30 .
- a sensor 54 that is in direct contact with the seat surface 20 or the seatback surface 22 may measure the temperature of the seat surface 20 , the seatback surface 22 , and/or the body of the occupant 30 and deliver it to a controller that will adjust the voltage supplied to the thermally conductive tape 14 in response to the temperature of the occupant 30 .
- the voltage of the thermally conductive tape 14 may be adjusted in response to a manual input from an occupant, the interior vehicle temperature, or another input.
- the thermally conductive tape 14 may be activated manually, remotely, wirelessly, or in another manner.
- the seating assembly 60 includes a seat cushion assembly 10 and a seatback cushion assembly 12 .
- the seat cushion assembly 10 includes a first foam pad 62 and a second foam pad 64 .
- the seatback cushion assembly 12 includes a first or forward foam pad 66 and a second or rearward foam pad 68 .
- Thermally conductive tapes 14 are disposed near the seat surface 20 and the seatback surface 22 near the ends 73 of ventilating columns 40 .
- the thermally conductive tapes 14 include thermoelectric device nodes 70 that are positioned at the recessed peripheries 72 of the ventilating columns 40 .
- a thermoelectric device node 70 includes at least a thermoelectric device 90 disposed within the housing or support ring 120 and below the carrier 122 .
- the thermally conductive tapes 14 are arranged below a seat topper pad 74 and a seatback topper pad 76 .
- the seat topper pad 74 is covered by a seat trim 24 .
- the seatback topper pad 76 is covered by a seatback trim 26 .
- Apertures 80 in the seat topper pad 74 and the seatback topper pad 76 are located above the nodes 70 .
- thermoelectric devices 90 there may be apertures 80 above thermoelectric devices 90 to allow for compressing of seat topper pad 74 and seatback topper pad 76 when an occupant is in the seating assembly 60 .
- the apertures 80 allow for transfer of heat within the apertures 80 .
- the first or upper foam pad 62 of the seat cushion assembly 10 is configured to provide support to the buttocks of an occupant, and is also configured to provide ventilation to the first foam pad 62 proximate the nodes 70 .
- the first foam pad 62 may take on a variety of shapes and constructions, and that the illustrated construction is exemplary.
- the second or lower foam pad 64 of the seat cushion assembly 10 may take on a variety of shapes and constructions and is not limited to the construction as set forth in FIG. 3 .
- the first or forward foam pad 66 of the seatback cushion assembly 12 is configured to provide support to the back and shoulders of an occupant, and is also configured to provide ventilation to the first foam pad 66 . It will be understood that the first foam pad 66 of the seatback cushion assembly 12 may take on a variety of shapes and constructions, and that the illustrated construction is exemplary. As with the first foam pad 66 of the seatback cushion assembly 12 , the second foam pad 68 of the seatback cushion assembly 12 may take on a variety of shapes and constructions and is not limited to the construction set forth in FIG. 3 .
- a vehicle seat cushion assembly 10 includes a first foam pad 62 defining a ventilating column 40 disposed therethrough, a topper pad 74 disposed over the first foam pad 62 , and a second foam pad 64 disposed adjacent the first foam pad 62 .
- the second foam pad 64 and the first foam pad 62 define a flow channel 42 in fluid communication with the ventilating column 40 .
- a thermally conductive tape 14 includes a thermoelectric device 90 disposed between the first foam pad 62 and the topper pad 74 .
- the thermoelectric device 90 is disposed near an end of the ventilating column 40 .
- An air mover 44 moves air from an air intake 94 of the flow channel 42 to an air exhaust 96 of the flow channel 42 .
- the thermally conductive tapes 14 have a first end 100 and a second end 102 .
- the first end 100 is at the juncture 104 between the seat 106 and the seatback 108 .
- the second end 102 is at a seating surface edge 110 .
- the conductive tape 14 includes conductive nodes 70 located along at least a part of the length of a carrier 122 to cool or heat a portion of the seat surface 20 and the seatback surface 22 to comfort the occupant 30 .
- a node 70 may include a carrier portion 123 that is located proximate the thermoelectric device 90 , the thermoelectric device 90 , adhesives 124 for securing the housing or support ring 120 to the carrier portion 123 , and the support ring 120 .
- Thermoelectric devices 90 are disposed in the support rings 120 .
- the support rings 120 are attached to the bottom of the carrier 122 with adhesives 124 .
- the carrier 122 includes circular holes 126 above the thermoelectric devices 90 .
- the carrier 122 may also include a conductive copper strip 128 located above the carrier 122 and thermally coupled to the thermoelectric devices 90 .
- heat sinks 130 may be attached to the second surfaces 132 of the thermoelectric devices 90 .
- copper strip 128 may be a thin copper foil that may be from approximately 0.1 mm to approximately 0.3 mm thick. In various aspects, the foil may be approximately 0.25 mm thick.
- the copper strip 128 may be a variety of different shapes, and it may be laser cut from a strip of copper. In other aspects, the copper strip 128 may be made of brass, aluminum, conductive metals, or other thermally conductive materials.
- the carrier 122 is extruded or otherwise formed.
- the holes 126 are punched into the carrier 122 .
- the holes 126 are formed in the carrier 122 during the injection molding process.
- the carrier 122 may be injection molded without the holes 126 , and the holes 126 may be punched into the carrier.
- the carrier 122 is an elastomeric plastic.
- thermoelectric devices 90 are attached to the positive wire 140 and the negative wire 142 that runs along at least a portion of the length of the carrier 122 .
- the carrier 122 may have notches 144 between the nodes 70 .
- the notches 144 typically provide flexibility to the carrier 122 .
- the thermally conductive tape 14 is typically powered from a vehicle wire harness at the juncture 104 .
- Thermoelectric devices 90 have positive leads 148 and negative leads 150 that are typically soldered to the positive supply wire 140 and the negative supply wire 142 , respectively.
- the positive and negative supply wires 140 , 142 are adhesively attached to the underside 121 of the carrier 122 .
- the wire harness supplies power to the thermoelectric devices 90 through the positive and negative supply wires 140 , 142 at various voltages.
- the voltage amount determines the temperature differential across the thermoelectric device first surface 160 and the thermoelectric device second surface 132 .
- Current flow that is positive to negative from the first surface 160 of the thermoelectric device 90 to the second surface 132 of the thermoelectric device 90 cools the seating surface (all or a portion of seat surface 20 and/or seatback surface 22 ).
- current flow that is negative to positive from the first surface 160 of the thermoelectric device 90 to the lower surface 132 of the thermoelectric device 90 heats the seating surface.
- FIGS. 7 and 8 schematics of current directions and heat flows of the thermoelectric device 90 in the occupant cooling and occupant heating modes are shown.
- current 164 flows into and out of the thermoelectric device 90 in the depicted positive to negative direction.
- Arrows 166 depict the directional flow of current 164 .
- Heat 168 flows from the cold thermoelectric device first surface 160 to the hot thermoelectric device second surface 132 thereby absorbing heat from the seating surface and, as a result, cools the seating surface.
- FIG. 8 current 164 flows into and out of the thermoelectric device 90 in the depicted negative to positive direction.
- Arrows 170 depict the directional flow of current 164 .
- Heat 168 is absorbed from the cold thermoelectric device second surface 132 and heat 168 is simultaneously rejected by the first surface 160 to heat the seating surface.
- FIG. 9 depicts a top portion 180 of the first foam pad 62 .
- ventilating columns 40 extend through the first foam pad 62 .
- the ventilating columns 40 include recessed peripheries 72 disposed around the ventilating columns 40 at the surface 182 of the occupant facing portion 180 of the first foam pad 62 .
- a portion 184 of the first foam pad 62 includes ventilating columns 40 and gallery portions 186 that connect the ventilating columns 40 .
- the gallery portions 186 receive air from an air supply area 188 located in the first foam pad 62 .
- the air supply area 188 typically receives air from an air mover 44 .
- the second foam pad 64 includes ventilating columns 40 configured to operably connect with ventilating columns 40 in the first foam pad 62 .
- the second foam pad 64 includes a portion 190 that includes gallery portions 192 .
- a portion 194 of the second foam pad 64 includes ventilating columns 40 .
- the air supply area 188 is shown on the portion 190 of the second foam pad 64 and the portion 194 of the second foam pad 64 .
- the gallery portions 186 and 192 partially define flow channels 42 between the first foam pad 62 and the second foam pad 64 .
- ventilating columns 40 in the first foam pad 62 and ventilating columns 40 in the second foam pad 64 define columns 40 through the first foam pad 62 and the second foam pad 64 .
- FIG. 13 shows a top portion 200 of the first seatback foam pad 66 .
- the first seatback foam pad 66 includes ventilating columns 40 with recessed peripheries 72 .
- FIG. 14 the occupant facing portion 202 of the first seatback foam pad 66 is shown.
- the back view shows the portion 202 of the first seatback foam pad 66 with ventilating columns 40 that are connected by gallery portions 204 .
- the gallery portions 204 receive air from an air supply area 206 located in the first seatback foam pad 66 .
- the air supply area 206 typically receives air from an air mover 44 .
- FIG. 15 a portion 210 of the second seatback foam pad 68 is shown. Ventilating columns 40 protrude through the second foam pad 68 . Gallery portions 214 connect the ventilating columns 40 . The gallery portions 214 are connected to the air supply area 206 . Referring to FIG. 16 , a portion 212 of second seatback foam pad 68 is shown. Ventilating columns 40 and air supply area 206 are shown on the portion 212 .
- the gallery portions 204 and 214 and the ventilating columns 40 partially define flow channels between the first seatback foam pad 66 and the second foam pad 68 .
- the ventilating columns 40 in the first foam pad 66 and the ventilating columns 40 in the second foam pad 68 define columns 40 through the first foam pad 66 and the second foam pad 68 .
- FIG. 17 a cross sectional view of the seat cushion assembly 10 taken at cross sectional XVII-XVII of FIG. 2 is shown.
- Air mover 44 directs air depicted by arrows 230 through flow channels 42 and air depicted by arrows 236 and 234 through ventilating columns 40 .
- the seat cushion assembly 10 is made of a first foam pad 62 and a second foam pad 64 .
- the gallery portions 186 in the first foam pad 62 and the gallery portions 192 in the second foam pad 64 define galleries or flow channels 42 when the first foam pad 62 and the second foam pad 64 are coupled together.
- the flow channels 42 are diagonal proximate the second surface 132 of the thermoelectric device 90 to deliver air to the second surface 132 to assist in heat transfer.
- the thermally conductive tape 14 is arranged above and within the ventilating columns 40 and recessed peripheries 72 .
- Support rings 120 snap fit into the recessed peripheries 72 of the ventilating columns 40 .
- Topper pad 74 is disposed over the first or upper foam pad 62 and the thermally conductive tape 14 .
- Trim 24 is disposed over the topper pad 74 .
- Apertures 80 in the topper pad 74 are above the thermoelectric device nodes 70 .
- thermoelectric devices 90 when the current direction of the thermoelectric devices 90 is set to cool the occupant, heat 168 is drawn away from the seat surface 20 by the cold first surface 160 of the thermoelectric device 90 . Heat travels through the trim 24 to the cold first surface 160 of the thermoelectric device 90 . The hot second surface 132 of the thermoelectric device 90 then transfers heat to the air flow shown by arrow 236 that carries the heat away from the thermoelectric device 90 .
- heat 168 moves from the air beneath the thermoelectric device 90 to the cold second surface 132 of the thermoelectric device 90 and to the hot first surface 160 of the thermoelectric device 90 .
- thermoelectric device 90 takes the low energy in air flows shown by arrow 236 and increases the energy to make air above the thermoelectric devices 90 warmer than air below the thermoelectric devices 90 .
- Airflows depicted by arrows 230 through flow channels 42 and airflows depicted by arrows 236 and 234 through ventilating columns 40 assist with the heat transfer.
- first foam pad 62 and the second foam pad 64 of the seat cushion assembly 10 When the first foam pad 62 and the second foam pad 64 of the seat cushion assembly 10 are coupled together, they are typically mechanically locked.
- a substantially air tight seal typically forms between the first foam pad 62 and the second foam pad 64 around the flow channel 42 and ventilating column 40 interface when a force (e.g., weight of a seated occupant) is disposed on the seat cushion assembly 10 .
- a gallery portion 186 on the portion 184 of the first foam pad 62 and a gallery portion 192 on the portion 190 of the second foam pad 64 define flow channels or galleries 42 when the first foam pad 62 and the second foam pad 64 are operationally coupled.
- a first surface 119 of the support ring 120 is substantially level with a first surface 182 of the first foam pad 62 .
- FIG. 18 depicts a flow chart of the method of making a cushion assembly 10 . Having described a cushion assembly 10 in FIGS. 1-17 herein, a method is now described for making a cushion assembly 10 .
- Step 250 provides for forming a first foam pad 62 .
- Step 252 provides for forming a plurality of ventilating air columns 40 through the first foam pad 62 .
- Step 254 provides for forming a second foam pad 64 .
- Step 256 provides for forming the plurality of ventilating air columns 40 through the second foam pad 64 .
- Step 258 directs operably coupling the second foam pad 64 with the first foam pad 62 to define a flow channel 42 between the first foam pad 62 and the second foam pad 64 , the flow channel 42 being in fluid communication with the air columns 40 .
- Step 260 directs placing thermoelectric devices 90 proximate a first surface 182 of the first foam pad 62 and at least a portion of the plurality of ventilating air columns 40 .
- Step 262 provides for coupling an air mover 44 to the flow channel 42 to move air to the thermoelectric devices 90 .
- thermoelectric device nodes 70 and the ventilating columns 40 may be modified to provide for targeted occupant cooling and heating.
- the thermally conductive tapes 14 and the ventilating columns 40 may be placed on the vehicle seating assembly 60 where the human body has its greatest cooling and heating sensitivity.
- the sensitivity might be where the main arteries of the legs and the largest muscle groups of the legs are located and where the main arteries of the back and the largest muscle groups of the back are located.
- the thermally conductive tapes 14 cool or heat the occupant by conduction directly through the seat trim 24 and the seatback trim 26 .
- the thermally conductive tapes 14 and ventilating columns 40 are effective in the typical human comfort range between 20-37 degrees Celsius.
- the thermoelectric device 90 first surface 160 and second surface 132 may be made of ceramics or other materials.
- thermoelectric devices 90 in thermally conductive tapes 14 and the airflows shown by arrows 230 , 236 , 234 work in unison to cool or heat the occupant.
- only the seat cushion assembly 10 thermally conductive tapes 14 or only the seatback cushion assembly 12 thermally conductive tapes 14 may be activated.
- an elongated recess may be molded into the first seat foam pad 62 or the first seatback foam pad 66 to receive the thermally conductive tape 14 .
- An occupant is able to control the cooling or heating of the seat cushion assembly 10 and the seatback cushion assembly 12 .
- An economical, easily moldable seat cushion assembly and seatback cushion assembly provide flow channels and ventilating columns that aid the efficiency of the thermoelectric devices 90 .
- the thermally conductive tapes 14 may be lay-in-place devices.
- the thermally conductive tapes 14 may be modular.
- the thermally conductive tape 14 may be cut to a desired length.
- the flow channels are internal channels in EPP foam for air flow to get to the ventilating columns and thermoelectric devices to accelerate cooling of the seating surface through the use of conduction.
- the air flow channels in the EPP foam also allow air flow to get to the ventilating columns and thermoelectric devices to assist in heating the seat surface through the use of conduction.
- thermoelectric device technology promotes better heat transfer from the occupant to air flowing beneath the thermoelectric devices in the flow channels and ventilating columns to improve the occupant thermocomfort.
- the thermally conductive tapes, flow channels, and ventilating columns are capable of working in both occupant cooling and occupant heating applications.
- Flow channels and ventilating columns enable the design of foam pad arrangements with thermoelectric devices which can cool specific hot points on an occupant instead of cooling an entire surface, thus maximizing the efficiency of the cooling system.
- the flow channels and ventilating columns enable the design of heating systems which can heat specific cool points on an occupant instead of heating an entire surface which maximizes the efficiency of the heating system.
- a cushion assembly including the flow channels, ventilating columns, and thermally conductive tapes provides for localized cooling and heating to targeted portions of the cushion assembly and/or the occupant's body.
- EPP foam allows for fans and wiring to be easily installed by directly press fitting to the EPP foam, thus making installation and packaging easier.
- EPP foam noise insulating qualities allow for the possibility of a more powerful air mover being used without effecting the user experience due to undesirable noise.
- the term “coupled” in all of its forms: couple, coupling, coupled, etc. generally means the joining of two components (electrical or mechanical) directly or indirectly to one another. Such joining may be stationary in nature or movable in nature. Such joining may be achieved with the two components (electrical or mechanical) and any additional intermediate members being integrally formed as a single unitary body with one another or with the two components. Such joining may be permanent in nature, or may be removable or releasable in nature, unless otherwise stated.
- elements shown as integrally formed the operation of the interfaces may be reversed or otherwise varied, the length or width of the structures and/or members or connector to other elements of the system may be varied, and the nature or numeral of adjustment positions provided between the element may be varied.
- the elements, and/or assemblies of the system may be constructed from any of the wide variety of materials that provide sufficient strength or durability, in any of a wide variety of colors, textures, and combinations. Accordingly, all such modifications are intended to be included within the scope of the present innovations. Other substitutions, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the desired and other exemplary aspects without departing from the spirit of the present innovations.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/890,655 US10427567B2 (en) | 2018-02-07 | 2018-02-07 | Air channel foam pad with thermally conductive tape |
CN201910107477.2A CN110116662A (zh) | 2018-02-07 | 2019-02-02 | 具有导热带的空气通道泡沫垫 |
DE102019102736.5A DE102019102736A1 (de) | 2018-02-07 | 2019-02-04 | Luftkanalschaumstoffkissen mit wärmeleitfähigem band |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US15/890,655 US10427567B2 (en) | 2018-02-07 | 2018-02-07 | Air channel foam pad with thermally conductive tape |
Publications (2)
Publication Number | Publication Date |
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US20190241101A1 US20190241101A1 (en) | 2019-08-08 |
US10427567B2 true US10427567B2 (en) | 2019-10-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/890,655 Active US10427567B2 (en) | 2018-02-07 | 2018-02-07 | Air channel foam pad with thermally conductive tape |
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US (1) | US10427567B2 (de) |
CN (1) | CN110116662A (de) |
DE (1) | DE102019102736A1 (de) |
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US11091072B2 (en) * | 2017-12-07 | 2021-08-17 | Gentherm Incorporated | Conditioning system with a B-side distribution system |
US11104253B2 (en) * | 2018-01-22 | 2021-08-31 | Padmini Vna Mechatronics Pvt. Ltd. | Flexible heat exchanger for thermal control of seating surfaces |
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JP7181864B2 (ja) * | 2017-05-31 | 2022-12-01 | 株式会社クラベ | ベンチレーションマット |
US11084404B2 (en) * | 2018-03-23 | 2021-08-10 | Tesla, Inc. | Vehicle seat with integrated temperature-control system |
US20210221518A1 (en) * | 2019-01-21 | 2021-07-22 | B/E Aerospace, Inc. | Electrical Power Generation in Aircraft Seats |
US11091076B1 (en) * | 2020-01-31 | 2021-08-17 | Faurecia Automotive Seating, Llc | Seat back heater mat attachment |
CN117529424A (zh) * | 2021-09-29 | 2024-02-06 | 舒茨曼座椅(宁波)有限公司 | 一种带有通风装置的epp发泡座椅座垫 |
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DE102019102736A1 (de) | 2019-08-08 |
US20190241101A1 (en) | 2019-08-08 |
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